The 1970 United States House of Representatives elections in South Carolina were held on November 3, 1970, to select six Representatives for two-year terms from the state of South Carolina. The primary elections were held on June 9 and the runoff elections were held two weeks later on June 23. All five incumbents who ran were re-elected and the open seat in the 2nd district was retained by the Republicans. The composition of the state delegation remained five Democrats and one Republican.
1st congressional district Incumbent Democratic Congressman L. Mendel Rivers of the 1st congressional district, in office since 1941, was unopposed in his bid for re-election.
General election results
| colspan=5 |Democratic hold
2nd congressional district Incumbent Republican Congressman Albert Watson of the 2nd congressional district, in office since 1963, chose to run for Governor instead of re-election. Floyd Spence, a Republican state senator who had unsuccessfully run for the seat in the 1962 elections, defeated Democratic challenger Heyward McDonald.
General election results
| colspan=5 |Republican hold
3rd congressional district Incumbent Democratic Congressman William Jennings Bryan Dorn of the 3rd congressional district, in office since 1951, defeated Republican challenger Grady Ballard.
General election results
| colspan=5 |Democratic hold
4th congressional district Incumbent Democratic Congressman James R. Mann of the 4th congressional district, in office since 1969, was unopposed in his bid for re-election.
General election results
| colspan=5 |Democratic hold
5th congressional district Incumbent Democratic Congressman Thomas S. Gettys of the 5th congressional district, in office since 1964, defeated Republican challenger B. Leonard Phillips.
General election results
| colspan=5 |Democratic hold
6th congressional district Incumbent Democratic Congressman John L. McMillan of the 6th congressional district, in office since 1939, won the Democratic primary and defeated Republican Edward B. Baskin in the general election.
Democratic primary Democratic primaryCandidateVotes% John L. McMillan 26,192 49.6 Claude L. Stephens 11,534 21.8 Bill R. Craig 11,047 20.9 Olin Sansbury Jr. 4,042 7.7
Democratic primary runoffCandidateVotes%±% John L. McMillan 46,030 71.2 +21.6 Claude L. Stephens 18,620 28.8 +7.0
General election results
| colspan=5 |Democratic hold
See also United States House elections, 1970 South Carolina gubernatorial election, 1970 South Carolina's congressional districts
References